The scope of duties, duties and responsibilities related to the science of measuring density and application of science. Including scientific activities related to the calibration of measuring instruments, establishment of National Measurement Standards by research, analysis, testing, research and development on standard measuring instruments. Maintain and develop metrological equipments for measuring density to ensure the accuracy of international standard equipment. Consequently the industry and service sectors of the country can refer to the accuracy of the measurement and be able to trace back to the national standards.